I don't have this problem with my Win 7 computers - it only happens on Windows 10.
When I try to download an excel attachment (either open it or save it) Windows 10 want to save it as a PHP file. In other words, a copy of the web page which I can then open up and get - a copy of the web page. Windows 10 seems to be incompatible with the web site.
Is there some "secret" to downloading Excel files from the site in Windows 10?
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